Home / 30,229.42-41,703.65-18,879.21

Finding the Fourth Proportional to 30,229.42, 41,703.65 and 18,879.21

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Solution

The fourth proportional to 30,229.42, 41,703.65 and 18,879.21 is: 26,045.22

Step by Step Solution

  1. Step 1: Write the proportion equation
    30,229.42 : 41,703.65 = 18,879.21 : x
  2. Step 2: Convert to fraction form
    30,229.42/41,703.65 = 18,879.21/x
  3. Step 3: Cross multiply
    30,229.42x = 41,703.65 × 18,879.21
  4. Step 4: Simplify right side
    30,229.42x = 787,331,966.12
  5. Step 5: Solve for x
    x = 787,331,966.12/30,229.42
  6. Step 6: Final answer
    x = 26,045.22

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.